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EVS-EN IEC 62439-2:2022

Industrial communication networks - High availability automation networks - Part 2: Media Redundancy Protocol (MRP)

General information

Valid from 01.03.2022
Base Documents
IEC 62439-2:2021; EN IEC 62439-2:2022
ICS Groups
25.040.40 Industrial process measurement and control 35.100.05 Multilayer applications
Directives or regulations
None

Standard history

Status
Date
Type
Name
01.06.2023
Corrigendum
EVS-EN IEC 62439-2:2022/AC:2023
01.03.2022
Main
EVS-EN IEC 62439-2:2022
18.06.2018
Corrigendum
EVS-EN 62439-2:2017/AC:2018
01.12.2017
Main
EVS-EN 62439-2:2017
IEC 62439-2:2021 is applicable to high-availability automation networks based on the ISO/IEC/IEEE 8802-3 (IEEE Std 802.3) (Ethernet) technology.
The IEC 62439-2:2021 specifies a recovery protocol based on a ring topology, designed to react deterministically on a single failure of an inter-switch link or switch in the network, under the control of a dedicated media redundancy manager node.

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Standards designation

EVS Estonian standard
EN European standard (published by an CEN or CENELEC)
EN ISO International standard adopted as an European standard
ISO International Organization for Standardization’s standard
IEC International Electrotechnical Commission’s standard
HD CENELEC’s harmonisation document
   
EVS-EN European standard implemented in Estonia
EVS-EN ISO International standard adopted in Europe and implemented in Estonia
EVS-EN ISO/IEC International standard/International electrotechnical standard adopted in Europe and implemented in Estonia
EVS-IEC International electrotechnical standard implemented in Estonia
EVS-ISO International standard implemented in Estonia
   
A, AMD amedment
+A a full standard plus the amendment
/A only amendment
COR, AC corrigendum
+COR a full standard plus the corrigendum
NA national annex
+NA a full standard plus the national annex
/NA only national annex
TS technical specification
TR technical report
CWA agreement, developed by a CEN or CENELEC
prEVS-EN (etc) draft standard
   
et the standard is in Estonian only
en the standard is in English only
et-en the standard is in Parallel text Estonian-English